201213233 has 4 divisors (see below), whose sum is σ = 216691188. Its totient is φ = 185735280.

The previous prime is 201213227. The next prime is 201213253. The reversal of 201213233 is 332312102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111872929 + 89340304 = 10577^2 + 9452^2 .

It is a cyclic number.

It is not a de Polignac number, because 201213233 - 2²⁴ = 184436017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201213253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7738958 + ... + 7738983.

It is an arithmetic number, because the mean of its divisors is an integer number (54172797).

Almost surely, 2^201213233 is an apocalyptic number.

It is an amenable number.

201213233 is a deficient number, since it is larger than the sum of its proper divisors (15477955).

201213233 is a wasteful number, since it uses less digits than its factorization.

201213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477954.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201213233 is about 14184.9650334430. The cubic root of 201213233 is about 585.9836695158.

Adding to 201213233 its reverse (332312102), we get a palindrome (533525335).

The spelling of 201213233 in words is "two hundred one million, two hundred thirteen thousand, two hundred thirty-three".